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Water Charges

Asked by Kevin HollinrakeConservativeDepartment for Environment, Food and Rural AffairsTabled Answered 16 March 2026UIN 118538

The question

To ask the Secretary of State for Environment, Food and Rural Affairs, what assessment Ofwat has made of the potential impact of bills of family homes with gardens from the introduction of (a) seasonal water charging tariffs and (b) progressive water charging tariffs, further to evidence from charging trials introduced to date, and from the forecast effects as such tariffs are rolled out by water companies.

Answered by Emma Hardy

All companies plan to trial new charging structures by 2030 and some of them plan to introduce them more widely for additional customers if the trials are successful. It is important that water companies challenge themselves to develop progressive and proactive behaviours which will benefit households and consumers.

The trials are still ongoing across water companies. The only trial to have concluded so far is Affinity Water’s WaterSave Tariff trial, the findings of this trial showed more people to have saved money than they had originally estimated. Further information can be found here.

The Government is engaging with industry leaders to further drive progress in this area and supports the innovative approaches being taken to trial new charges aiming to make bills fairer and more affordable for their customers.

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